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244427030240 = 2551527668939
BaseRepresentation
bin1110001110100011111…
…1000111111011100000
3212100220112120122210212
43203220333013323200
513001041304431430
6304142131313252
723442062322341
oct3435077077340
9770815518725
10244427030240
119472a760618
123b45614b828
131a084609a53
14bb8a6020c8
156558933b95
hex38e8fc7ee0

244427030240 has 24 divisors (see below), whose sum is σ = 577458859320. Its totient is φ = 97770812032.

The previous prime is 244427030219. The next prime is 244427030249. The reversal of 244427030240 is 42030724442.

It is a super-2 number, since 2×2444270302402 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 244427030197 and 244427030206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244427030249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763834310 + ... + 763834629.

It is an arithmetic number, because the mean of its divisors is an integer number (24060785805).

Almost surely, 2244427030240 is an apocalyptic number.

244427030240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244427030240 is an abundant number, since it is smaller than the sum of its proper divisors (333031829080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

244427030240 is a wasteful number, since it uses less digits than its factorization.

244427030240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527668954 (or 1527668946 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 32.

Adding to 244427030240 its reverse (42030724442), we get a palindrome (286457754682).

The spelling of 244427030240 in words is "two hundred forty-four billion, four hundred twenty-seven million, thirty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1527668939 3055337878 6110675756 7638344695 12221351512 15276689390 24442703024 30553378780 48885406048 61106757560 122213515120 244427030240